127929291

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{239}}^1\times {\mathrm{359}}^1$

素因数の和:679

約数の個数: 32

約数和(自身を含む): 199065600

約数和(自身を除く): 71136309

約数列:

[1, 3, 7, 21, 71, 213, 239, 359, 497, 717, 1077, 1491, 1673, 2513, 5019, 7539, 16969, 25489, 50907, 76467, 85801, 118783, 178423, 257403, 356349, 535269, 600607, 1801821, 6091871, 18275613, 42643097, 127929291]

約数ペア:

[(1, 127929291), (3, 42643097), (7, 18275613), (21, 6091871), (71, 1801821), (213, 600607), (239, 535269), (359, 356349), (497, 257403), (717, 178423), (1077, 118783), (1491, 85801), (1673, 76467), (2513, 50907), (5019, 25489), (7539, 16969)]